How to write the R Markdown for the following questions?

How to write the R Markdown for the following questions?

• -Repeat the ts(), HoltWinters(), predict() and plot() functions on the Nile data
• -Repeat the same functions with different values of alpha, beta, and gamma of your choosing on...
• AirPassengers
• EuStockMarkets
• When using the EuStockMarkets, choose one column